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-   -   A/C was working great but now dead (http://forums.pelicanparts.com/porsche-911-technical-forum/1002848-c-working-great-but-now-dead.html)

Jonny H 07-22-2018 11:40 AM

^ Hey, no worries. What was the amp draw?

Bob Kontak 07-22-2018 01:09 PM

Quote:

Originally Posted by kuehl (Post 10116807)
More humble than a round at Carnoustie in Dundee .

Just watched a youtube vid on Carnoustie's course layout. Can you say 125?

rokemester 10-01-2020 11:09 AM

Quote:

Originally Posted by HaroldMHedge (Post 10115380)

I thought some of the pics I took earlier this year when I was messing with my AC among other things. I was wondering where the heck the AC relay was in the smugglers box! Going back through my pics I found it. I find it helpful to shoot several shots wide and tight at least for a frame of reference.

http://forums.pelicanparts.com/uploa...1601579192.jpg


http://forums.pelicanparts.com/uploa...1601579285.jpg

911 SLANT 10-01-2020 04:45 PM

I ran into same problem. A/C worked fine in the morning, but on way home from work temps at 105 degrees. First check fuses all good then check A/C compressor relay, it was good. Next did a jumper wire on Compressor clutch relay plug 87 to 30. Should of heard clutch clicking. No click. Check wire for power all good. Ended up changing compressor clutch coil. It was fried. All works great now. Good luck!

tasturbo86 07-17-2021 06:47 AM

Is anybody is still watching this thread?
I'm in the middle of a total A/C revamp using Kuehl componennts.

My smuggler's box relay appears to be bad and I have ordered a new one, but I have a question about the schematic.

1986 911 turbo
My terminal 87 is always + 12V NOT terminal 30, as described above??
When the key is on, 86 has 12V, which should close the points in the relay.
If the relay was functional, it would allow 12V on 30.
The wire leading from 30 goes forward to the A/C switch in the console.

Am I on drugs again, or did Porsche change the wiring?
I think the current wiring will function, but it bugs me to have a deviation.
I don't think I have a factory schematic for turbos beyond 1977.

terry

86 911 Targa 07-17-2021 07:23 AM

Schematic.
 
Quote:

Originally Posted by tasturbo86 (Post 11394507)
Is anybody is still watching this thread?
I'm in the middle of a total A/C revamp using Kuehl componennts.

My smuggler's box relay appears to be bad and I have ordered a new one, but I have a question about the schematic.

1986 911 turbo
My terminal 87 is always + 12V NOT terminal 30, as described above??
When the key is on, 86 has 12V, which should close the points in the relay.
If the relay was functional, it would allow 12V on 30.
The wire leading from 30 goes forward to the A/C switch in the console.

Am I on drugs again, or did Porsche change the wiring?
I think the current wiring will function, but it bugs me to have a deviation.
I don't think I have a factory schematic for turbos beyond 1977.

terry

Which one?

Factory, or aftermarket?

Gerry

tasturbo86 07-17-2021 07:45 AM

Factory A/C until now, with factory relay.
Questioning the schematic in this thread.

BTW, also factory delivery and retired engineer

86 911 Targa 07-17-2021 08:05 AM

Contact info.
 
Quote:

Originally Posted by tasturbo86 (Post 11394555)
Factory A/C until now, with factory relay.
Questioning the schematic in this thread.

BTW, also factory delivery and retired engineer

pm me.

Gerry

tasturbo86 08-03-2021 04:50 AM

Follow-up info.
The 87 and 30 pins on MY smuggler box relay ARE reversed from the wiring diagram.
Not sure why they deviated from the diagram, but the new relay works and so does the evaporator blower.
The reversal just made it hard to diagnose the bad relay.
Thanks to Gerry above for sending a wiring diagram and helping me understand it.

echecsqueen 09-22-2021 07:47 AM

Tagging this thread

hcoles 09-22-2021 04:34 PM

also tagging this.
I just spent a couples days chasing an issue with the Griffiths system AC on my 89.
The root cause was my fault.
You can read more details on the other AC thread I started.

kuehl 09-23-2021 05:13 AM

Henry,

I would not say the cause was your fault.
It was who ever before you tossed in that funky AC relay.

Enjoy the rest of the warm season rides,

Griff


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